Textbook. - M. : Statute, 2011. - 543 s. The textbook covers the system, basic concepts, categories and features of modern international public law. Characteristics of international law are given on a new conceptual basis and in connection with the functions of international law of the 21st century. Presented the periodization and the main stages of the formation of international law. Much attention is paid to international treaties and the process of their conclusion . In the preparation of the textbook, international and national legal acts. were widely used. The interaction of international and domestic law is shown by the example of modern legal systems. For students, bachelors, undergraduates, graduate students and teachers of law schools and law faculties, as well as persons interested in international law.